Full Fight - Luffy Gear 5 completely submerged Kaido in hellish lava, causing Kaido's body to rot

Full Fight - Luffy Gear 5 completely submerged Kaido in hellish lava, causing Kaido's body to rot 00:00 Luffy awakens the devil fruit and completely defeats Kaido 29:25 Kaido defeated Luffy for the first time and locked Luffy in Odon Prison 36:27 Kaido submerged Luffy into the deep ocean Gear 5 («Gear Fifth») is the awakened form of the Gomu Gomu no Mi, which strengthens the user's rubbery body. It also allows the user the ability to manipulate and transform their environment, similar to a Paramecia's awakening. Luffy achieved this ability during his final battle with Kaidou on Onigashima.